TY JOUR TI QUANTUM-CHEMICAL STUDY OF CISPLATIN AND TRANSPLATIN AT THE RELATIVISTIC FOUR-COMPONENT LEVEL KW cisplatin KW transplatin KW quantum chemical calculations KW DFT KW 15N NMR chemical shift KW relativistic effectsv JO Modern Technologies and Scientific and Technological Progress AU Semenov, V.A. AU Samul'cev, D.O. AU Krivdin, L.B. PY 2019 IS 2019 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»